04. Suppose the mid-test scoresout of 10) of students is linearly dependent on bow many hours the...
04. Suppose the mid-test scoresout of 10) of students is linearly dependent on bow many hours they study per day D and their previous quiz score(out of 10). The data of a random sample o students are as follows (6.28 0.09.0.871 Given that (X3y0.09 30.19 9 6 87 -0.87-0.19 021 Using above information a) (7pts] Find the least-squares estimate of the vactors of regression coefficients and the fitted regression line. n) 14pts! Interpret the estimated values of the regression coefficients .A and A- c) (6pts) Obtain the estimated ermor variance d) 16pts) Do the analysis of variance (ANOVA) and test the significance of regression e) [5pts) Test the hypothesis HiA.0, H.A+0、at p.--of" 沂[3pts] Find the mean score of the mid-test (,)atthe point x:-[L6,8) ,11,1 g) [5pts] Find the 99% og ideas for the msan score of the mid-test. Spts] Find the Vari multicollinearity (Hints IF-1/0-R) Factor (VIF) on ß, and comment on the presence of
04. Suppose the mid-test scoresout of 10) of students is linearly dependent on bow many hours they study per day D and their previous quiz score(out of 10). The data of a random sample o students are as follows (6.28 0.09.0.871 Given that (X3y0.09 30.19 9 6 87 -0.87-0.19 021 Using above information a) (7pts] Find the least-squares estimate of the vactors of regression coefficients and the fitted regression line. n) 14pts! Interpret the estimated values of the regression coefficients .A and A- c) (6pts) Obtain the estimated ermor variance d) 16pts) Do the analysis of variance (ANOVA) and test the significance of regression e) [5pts) Test the hypothesis HiA.0, H.A+0、at p.--of" 沂[3pts] Find the mean score of the mid-test (,)atthe point x:-[L6,8) ,11,1 g) [5pts] Find the 99% og ideas for the msan score of the mid-test. Spts] Find the Vari multicollinearity (Hints IF-1/0-R) Factor (VIF) on ß, and comment on the presence of